000 NOUS42 KNHC 211648 REPRPD WEATHER RECONNAISSANCE FLIGHTS CARCAH, NATIONAL HURRICANE CENTER, MIAMI, FL. 1150 AM EST THU 21 FEBRUARY 2019 SUBJECT: WINTER STORM PLAN OF THE DAY (WSPOD) VALID 22/1100Z TO 23/1100Z FEBRUARY 2019 WSPOD NUMBER.....18-083 AMENDMENT I. ATLANTIC REQUIREMENTS 1. NEGATIVE RECONNAISSANCE REQUIREMENTS. 2. OUTLOOK FOR SUCCEEDING DAY.....NEGATIVE. II. PACIFIC REQUIREMENTS 1. NEGATIVE RECONNAISSANCE REQUIREMENTS. 2. OUTLOOK FOR SUCCEEDING DAY.....NEGATIVE. 3. REMARKS:...............(ADDED) TWO CONCURRENT ATMOSPHERIC RIVERS RESEARCH MISSIONS ARE TENTATIVELY PLANNED FOR SATURDAY OVER THE EASTERN PACIFIC FOR THE 24/0000Z SYNOPTIC TIME. $$ SEF NNNN